Remove unnecessary zoom argument from GetImage() as its value is always available through the Layou…

third_party/WebKit/Source/core/css/CSSPaintValue.cpp

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/css/CSSPaintValue.h"
 
 #include "core/css/CSSCustomIdentValue.h"
 #include "core/css/CSSSyntaxDescriptor.h"
 #include "core/css/cssom/StyleValueFactory.h"
 #include "core/layout/LayoutObject.h"
@@ skipping 25 matching lines @@
   }
   result.Append(')');
   return result.ToString();
 }
 
 String CSSPaintValue::GetName() const {
   return name_->Value();
 }
 
 PassRefPtr<Image> CSSPaintValue::GetImage(const LayoutObject& layout_object,
-                                          const IntSize& size,
-                                          float zoom) {
+                                          const IntSize& size) {
   if (!generator_)
     generator_ =
         CSSPaintImageGenerator::Create(GetName(), layout_object.GetDocument(),
                                        paint_image_generator_observer_);
 
   if (!ParseInputArguments())
     return nullptr;
 
-  return generator_->Paint(layout_object, size, zoom, parsed_input_arguments_);
+  return generator_->Paint(layout_object, size, parsed_input_arguments_);
 }
 
 bool CSSPaintValue::ParseInputArguments() {
   if (input_arguments_invalid_)
     return false;
 
   if (parsed_input_arguments_ ||
       !RuntimeEnabledFeatures::cssPaintAPIArgumentsEnabled())
     return true;
 
@@ skipping 45 matching lines @@
 
 DEFINE_TRACE_AFTER_DISPATCH(CSSPaintValue) {
   visitor->Trace(name_);
   visitor->Trace(generator_);
   visitor->Trace(paint_image_generator_observer_);
   visitor->Trace(parsed_input_arguments_);
   CSSImageGeneratorValue::TraceAfterDispatch(visitor);
 }
 
 }  // namespace blink